bfd_control_packet.h

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/*
 * Copyright (c) 2014 CodiLime, Inc. All rights reserved.
 */

#ifndef SRC_BFD_BFD_CONTROL_PACKET_H_
#define SRC_BFD_BFD_CONTROL_PACKET_H_

#include <string>
#include <boost/asio/ip/address.hpp>
#include <base/parse_object.h>

#include "bfd/bfd_common.h"

class ParseContext;
class EncodeContext;

namespace BFD {
struct ControlPacket : public ParseObject {
    ControlPacket() :
        final(false),
        control_plane_independent(false),
        authentication_present(false),
        demand(false),
        multipoint(false),
        length(kMinimalPacketLength),
        diagnostic(kNoDiagnostic),
        required_min_echo_rx_interval(boost::posix_time::microseconds(0)) {
    }

    std::string toString() const;
    ResultCode Verify() const;

    bool poll;
    bool final;
    bool control_plane_independent;
    bool authentication_present;
    bool demand;
    bool multipoint;
    int detection_time_multiplier;
    int length;

    BFD::Discriminator sender_discriminator;
    BFD::Discriminator receiver_discriminator;
    BFD::Diagnostic diagnostic;
    BFD::BFDState state;

    TimeInterval desired_min_tx_interval;
    TimeInterval required_min_rx_interval;
    TimeInterval required_min_echo_rx_interval;

    SessionIndex session_index;
    boost::asio::ip::udp::endpoint local_endpoint;
    boost::asio::ip::udp::endpoint remote_endpoint;
};

ControlPacket* ParseControlPacket(const uint8_t *data, size_t size);
int EncodeControlPacket(const ControlPacket *msg, uint8_t *data, size_t size);

bool operator==(const ControlPacket &p1, const ControlPacket &p2);
}  // namespace BFD

#endif  // SRC_BFD_BFD_CONTROL_PACKET_H_